diff --git a/package.json b/package.json
index a958b19b5a..eac06bfb68 100644
--- a/package.json
+++ b/package.json
@@ -403,7 +403,7 @@
     "node-loader": "^2.0.0",
     "nodemon": "^2.0.20",
     "playwright": "^1.27.0",
-    "postcss": "^8.4.17",
+    "postcss": "^8.4.18",
     "postcss-loader": "^6.2.1",
     "query-string": "^7.1.1",
     "randomcolor": "^0.6.2",
diff --git a/yarn.lock b/yarn.lock
index f88d1c497e..9f517e5b04 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10109,10 +10109,10 @@ postcss@^6.0.14, postcss@^6.0.2:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^8.3.0, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.7:
-  version "8.4.17"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.17.tgz#f87863ec7cd353f81f7ab2dec5d67d861bbb1be5"
-  integrity sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==
+postcss@^8.3.0, postcss@^8.4.14, postcss@^8.4.18, postcss@^8.4.7:
+  version "8.4.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.18.tgz#6d50046ea7d3d66a85e0e782074e7203bc7fbca2"
+  integrity sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"